Complete GA4 reference: dimensions, metrics, events and parameters. Search, filter and copy API names.

How to use this reference

REC — events recommended by Google based on your business (ecommerce, lead gen, gaming).
AUTO — collected automatically with gtag.js or Firebase SDK.
ENH — activated from GA4 Admin > Data Streams > Enhanced Measurement (scroll, click, video, etc.).
DEPR — deprecated, do not use. Each one indicates its replacement.
Click an event to see its parameters and implementation tips.

Ask Claude for help with this reference

Copy these prompts and paste them into Claude, ChatGPT or your favorite AI:

"Tengo un ecommerce en Tiendanube. Que eventos de GA4 deberia implementar via GTM? Dame el dataLayer.push exacto para view_item, add_to_cart, begin_checkout y purchase con los parametros correctos"

"Mi negocio es lead gen (formulario + WhatsApp). Que eventos de GA4 necesito? Explicame generate_lead, qualify_lead y close_convert_lead y como enviarlos con gtag()"

"Quiero verificar que mi GA4 Enhanced Measurement esta bien configurado. Que eventos deberian dispararse automaticamente en mi sitio web y como los verifico en DebugView?"

90 events|123 parameters

Source: Google Analytics Data API reference. Last updated 2026-08-12.